He is preparing to defend himself against allegations of domestic violence against an ex-girlfriend.
In the Emmy-winning animated sitcom about a scientist and his grandson, Mr. Roiland voiced the title characters.
Adult Swim announced that the show would continue without him for the seventh season, with his roles recast.
Mr. Roiland denies the allegations. A trial date has yet to be set.
“Adult Swim has ended its association with Justin Roiland,” a statement issued on Tuesday said.
Rick and Morty will return. Season seven’s talented and dedicated crew is hard at work.”